Poly(Vinyl Butyral) Safety Glass Interlayer Film from Canada
Transparent noncellular film made of poly(vinyl butyral) used as the interlayer in laminated safety glass for automotive windshields and architectural glazing. It adheres to glass layers under heat and pressure, absorbing impact energy to prevent shattering. Classified under HTS 3920.91.00.00 as it is a plate, sheet, film of poly(vinyl butyral) that is noncellular and not reinforced or combined with other materials.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify polymer composition meets 95% poly(vinyl butyral) content per subheading note (a)(1) via lab testing certificates
• Provide safety data sheets confirming noncellular structure and absence of reinforcement or lamination
• Avoid misclassification as finished glass by importing film in rolls or sheets prior to assembly